WM9704Q 데이터 시트보기 (PDF) - Wolfson Microelectronics plc
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WM9704Q Datasheet PDF : 35 Pages
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WM9704Q
Production Data
PIN DESCRIPTION
PIN
NAME
1
DVDD1
2
XTLIN
3
XTLOUT
4
DVSS1
5
SDATAOUT
6
BITCLK
7
DVSS2
8
SDATAIN
9
DVDD2
10
SYNC
11
RESETB
12
PCBEEP
13
PHONE
14
AUXL
15
AUXR
16
VIDEOL
17
VIDEOR
18
CDL
19
CDGND
20
CDR
21
MIC1
22
MIC2
23
LINEINL
24
LINEINR
25
AVDD1
26
AVSS1
27
VREF(1)
28
VREFOUT
29
AFILT1(1)
30
MODE0
TYPE
Supply
Digital input
Digital output
Supply
Digital input
Digital output (master)
Digital input (slave)
Supply
Digital output
Supply
Digital input
Digital input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Analogue input
Supply
Supply
Analogue output
Analogue output
Analogue output
Digital input
31
CAP1(1)
Analogue output
32
CAP2
Analogue input
33
CX3D1
Analogue output
34
CX3D2
Analogue input
35
LINEOUTL
Analogue output
36
LINEOUTR
Analogue output
37
MONOOUT
Analogue output
38
AVDD2
Supply
39
LNLVLOUTL
Analogue output
40
MODE1
Digital input
41
LNLVLOUTR
Analogue output
42
AVSS2
Supply
43
GPIO1
Programmable I/O
44
GPIO2
Programmable I/O
45
CID0
Digital input
46
CID1
Digital input
47
EAPD
Digital output
48
GPIO3
Programmable I/O
Note:
1. Pins 27, 29 and 31 have an internal connection.
DESCRIPTION
Digital positive supply
Clock crystal connection or clock input (XTAL not used)
Clock crystal connection
Digital ground supply
Serial data input
Serial interface clock output to AC’97 controller
or input from AC’97 master codec
Digital ground supply
Serial data output to AC’97 controller
Digital positive supply
Serial interface sync pulse from AC’97 controller
NOT reset input (active low, resets registers)
Mixer input, typically for PCBEEP signal
Mixer input, typically for PHONE signal
Mixer input, typically for AUX signal
Mixer input, typically for AUX signal
Mixer input, typically for VIDEO signal
Mixer input, typically for VIDEO signal
Mixer input, typically for CD signal
CD input common mode reference (ground)
Mixer input, typically for CD signal
Mixer input with extra gain if required
Mixer input with extra gain if required
Mixer input, typically for LINE signal
Mixer input, typically for LINE signal
Analogue positive supply
Analogue ground supply, chip substrate
Buffered CAP2
Reference for microphones; buffered CAP2
Buffered CAP2
Mode select pin, internal pull down (6-channel support I2S
enable)
Buffered CAP2
Reference input/output; pulls to midrail if not driven
Output pin for 3D difference signal
Input pin for 3D difference signal
Main analogue output for left channel
Main analogue output for right channel
Main mono output
Analogue positive supply
Left channel line level output
Mode select pin, internal pull down (Quad mode select)
Right channel line level output
Analogue ground supply, chip substrate
GPIO or I2S
GPIO or I2S
Master/slave ID select (internal pull-up)
Master/slave ID select (internal pull-up)
External amplifier power down/GPO
GPIO or I2S
WOLFSON MICROELECTRONICS LTD
PD Rev 2.3 January 2001
6
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